Patch 6.0.2 (14-October-2014): Borrowed Time’s effects have been merged into baseline Power Word: Shield for Discipline Priests.; Borrowed Time has been redesigned. It now increases the Priest's stat gains to Haste from all sources by 40% for 6 seconds.

Patch 5.3.0 (21-May-2013): Borrowed Time now reduces the cast or channel time of the next Priest spell by 15% after casting Power Word: Shield (was 15% spell haste).